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 Wednesday, August 12, 2015
Image quality results from the EOS 5Ds R have been added to the Canon EF 70-200mm f/2.8L IS II USM Lens Review.
 
This is one of the most amazing zoom lenses made and its usefulness for a wide variety of subjects and situations makes it one of the most important lenses in my kit.
 
B&H has the Canon EF 70-200mm f/2.8L IS II USM Lens in stock with a $100.00 mail-in rebate available.
Posted to: Canon News
Post Date: 8/12/2015 8:08:10 AM CT   Posted By: Bryan
 Tuesday, August 11, 2015
 Friday, August 7, 2015
Image quality results from the EOS 5Ds R have been added to the Canon EF 200-400mm f/4L IS USM Extender 1.4x Lens Review.
 
The 200-400 L is another great choice for the 5Ds and 5Ds R.
 
B&H has the Canon EF 200-400mm f/4L IS Lens in stock.
Posted to: Canon News
Post Date: 8/7/2015 8:00:00 AM CT   Posted By: Bryan
 Monday, August 3, 2015
The new MTF Comparison Tool has just received 4 additional chart types. Joining the Average and Variance charts are the 2D Map and 3D Isometric charts in 10 lp/mm and 30 lp/mm formats.
 
Among the additional lenses loaded into the tool are the 24-70mm f/2.8 zooms (Canon, Nikon and Sigma). Remember that CA is generally more prevalent in zoom lenses (especially in the maximum focal length extents) and that CA is a significant factor in corner MTF performance (and is generally an easy-to-correct aberration). If you see chart lines/colors showing decreasing MTF measurements toward the corners (right side or periphery), CA may be at least some of the cause. Reference the Lens Image Quality Tool to see if CA is a significant component of a dropping MTF chart measurement for a specific lens.
 
One of the zoom lens additions is the new Sigma 24-35mm f/2 DG HSM Art Lens. Of note is that, while the tool says "Average" for the chart type, only one copy of this lens was available for MTF testing. The test results will be updated (and the other chart types added) when a larger sample size is available. B&H has the Sigma 24-35mm f/2 DG HSM Art Lens in stock.
 
There are enough results in the MTF tool to entertain for hours. Here is a comparison that I find interesting. While these are not equivalent apertures (one stop apart), B&H has the Zeiss 135mm f/2 Lens in stock with a $300 instant rebate bringing the price down to far less than half that of an Otus.
 
Be sure to share the MTF tool with your friends!
Posted to: Canon News,
Post Date: 8/3/2015 8:38:13 AM CT   Posted By: Bryan
 Friday, July 31, 2015
Image quality results from the EOS 5Ds R have been added to the Canon EF 600mm f/4L IS II USM Lens Review.
 
When the distances get long and/or the subjects get small, this is my go-to lens.
 
B&H has the Canon EF 600mm f/4L IS II USM Lens in stock.
Posted to: Canon News
Post Date: 7/31/2015 12:00:00 AM CT   Posted By: Bryan
 Wednesday, July 29, 2015
Image quality results from the EOS 5Ds R have been added to the Canon EF 400mm f/2.8L IS II USM Lens Review.
 
Another fantastic all-around-performing lens.
 
B&H has the Canon EF 400mm f/2.8L IS II USM Lens in stock.
Posted to: Canon News
Post Date: 7/29/2015 9:53:12 AM CT   Posted By: Bryan
 Tuesday, July 28, 2015
Image quality results from the EOS 5Ds R have been added to the Canon EF 300mm f/2.8L IS II USM Lens Review.
 
There is more than one reason why this lens is "Super".
 
B&H has the Canon EF 300mm f/2.8L IS II USM Lens in stock.
Posted to: Canon News
Post Date: 7/28/2015 6:57:57 AM CT   Posted By: Bryan
 Monday, July 27, 2015
 Thursday, July 23, 2015
Image quality results from the EOS 5Ds R have been added to the Canon EF 100-400mm f/4.5-5.6L IS II USM Lens Review.
 
You probably already guessed this, but the 100-400 L II is another of my favorite lenses.
 
B&H has the Canon EF 100-400mm f/4.5-5.6L IS II USM Lens in stock.
Posted to: Canon News
Post Date: 7/23/2015 7:45:49 AM CT   Posted By: Bryan
 Tuesday, July 21, 2015
It is with great pleasure that I announce the latest addition to the site's tools: Lens MTF Comparison
 
Required Reading: To get the most out of these beautiful charts and to learn about MTF measurements, please take some time to read through the Lens MTF Help page.
 
Many prime lens results are immediately available in the MTF tool and many additions are planned, including zoom lenses. We'll announce the additions as they become available. Aperture tests in addition to wide open are also expected to be included at some point.
 
These MTF charts are made available under agreement with my friend Roger Cicala and his crew at Olaf Optical Testing with support provided by LensRentals.com. Go rent a lens!
Posted to: Canon News,
Post Date: 7/21/2015 7:29:21 AM CT   Posted By: Bryan
 Monday, July 20, 2015
Image quality results from the EOS 5Ds R have been added to the Canon EF 11-24mm f/4L USM Lens Review.
 
This is another of my favorite lenses. Not ony for the amazingly wide angles it provides, but for the solid image quality at those wide angles.
 
B&H has the Canon EF 11-24mm f/4L USM Lens in stock.
Posted to: Canon News
Post Date: 7/20/2015 7:36:37 AM CT   Posted By: Bryan
 Thursday, July 16, 2015
Image quality results from the EOS 5Ds R have been added to the Canon EF 16-35mm f/4L IS USM Lens Review.
 
The 16-35 f/4L IS is one of my favorite lenses and is looking great in front of the 5Ds.
 
B&H has the Canon EF 16-35mm f/4L IS USM Lens in stock with a $100.00 MIR available.
Posted to: Canon News
Post Date: 7/16/2015 7:51:41 AM CT   Posted By: Bryan
 Monday, July 13, 2015
Just posted: Canon EF 50mm f/1.8 STM Lens Review.
 
The 50mm f/1.8 STM is not a perfect lens, but it is nearly Canon's smallest and lightest lens. And that it is Canon' least expensive lens we can all appreciate.
 
B&H has the Canon EF 50mm f/1.8 STM Lens in stock.
Posted to: Canon News
Post Date: 7/13/2015 7:43:55 AM CT   Posted By: Bryan
 Monday, July 6, 2015
Just posted: Canon EOS 5Ds Review.
 
The Canon 5Ds promised to perform amazingly and it has delivered on that promise.
 
B&H has the Canon EOS 5Ds in stock and the 5Ds R available for preorder.
Posted to: Canon News
Post Date: 7/6/2015 8:47:24 AM CT   Posted By: Bryan
 Thursday, July 2, 2015
Image quality results from the EOS 5Ds R have been added to the Canon EF 50mm f/1.8 STM Lens Review page.
 
While testing Canon's cheapest lens on their highest resolution camera may seem to be a pairing of opposites, there is a point to be made here. The 50 STM is not a great performer at f/1.8, showing a "dreamy" look to be kind. If we review a comparison between the 5Ds R and 1Ds III with the 50 STM at its f/1.8 aperture, we see that the 5Ds R can extract more resolution from even a poor performing lens. Look at the white being more clearly delineated between the black lines in the top crop to most easily see this.
 
Stop down to f/4 and be amazed at how well a $125 lens can perform.
 
B&H has the inexpensive Canon EF 50mm f/1.8 STM Lens in stock.
Posted to: Canon News
Post Date: 7/2/2015 10:19:45 AM CT   Posted By: Bryan
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